public AnalyticStatisticsItem Get(PsaParametersSet set,
DateTime sourceDataCaptureDateTime)
{
AnalyticStatisticsItem result = new AnalyticStatisticsItem(
AnalyticRuleType.EngineStartUndervoltage,
info.Engine.Family.Type, info.Engine.Type);
IList <double> rpmLine =
set.GetParameterOfType(PsaParameterType.EngineRpm).GetDoubles();
IList <double> voltagesLine =
set.GetParameterOfType(PsaParameterType.BatteryVoltage).GetDoubles();
EngineStartupDetector detector = new EngineStartupDetector(rpmLine);
if (!detector.EngineStartupDetected())
{
return(result); // empty, will be assimilated and disappear
}
IList <int> startupPoints = detector.GetEngineStartupPointIndexes();
// we will have as many statistical values as there is startup points
foreach (int startupPointIndex in startupPoints)
{
StartupUndervoltageExtractor extractor =
new StartupUndervoltageExtractor(startupPointIndex, voltagesLine);
double startupUndervoltage = extractor.Extract();
if (!double.IsNaN(startupUndervoltage))
{
result.Values.Add(new AnalyticStatisticsValue(
startupUndervoltage, info.Vin, set.Id,
sourceDataCaptureDateTime));
}
}
return(result);
}
public void TestUndervoltageExtraction()
{
IList <double> voltages = new List <double>()
{
14.1, 14.1, 14.1, 14.1, 14.1, 14.1, 14.1, 14.1, 14.1, 14.1, 14.1, 14.1, 14.1, 14.1, 13.6, 13.6, 13.5, 13.4, 12.5, 12.5, 12.4, 12.4, 10.3, 12.2, 12.3, 12.8, 13.5, 13.9, 14.1, 14.0, 14.1, 14.1, 14.1, 14.1, 14.1, 14.1, 14.1, 14.1, 14.1, 14.1, 14.2, 14.1, 14.2, 14.1, 14.1, 14.1, 14.2, 14.2, 14.2, 14.2, 14.2, 14.2, 14.2, 14.2, 14.1, 14.1, 14.2, 14.1, 14.2, 14.2, 14.1, 14.2, 14.1, 14.2, 14.1, 14.1, 12.6, 12.6, 12.6, 12.6, 12.6, 13.9, 14.1, 12.6, 12.6, 12.6, 12.5, 11.4, 12.3, 12.6, 13.2, 14.1, 14.0, 14.1, 14.2, 14.2, 14.2, 14.2, 14.2, 14.2, 14.2, 14.2, 14.2, 14.1, 14.2, 14.1, 14.1, 14.1, 14.1, 14.1
};
int startIndex = 22; // has 22, 70 and 76
StartupUndervoltageExtractor extractor = new StartupUndervoltageExtractor(startIndex, voltages);
Assert.IsTrue(extractor.Extract() == 10.3);
}
